“固体密度基准”的概念、定义、翻译、参考文献-科学参考

单词	固体密度基准
释义	固体密度基准 Encyclopedia 工学密度计量技术释 solid density primary standard固体密度基准用物理、化学性能十分稳定的材料制作的固体球或立方体。
随便看	Songhai Empire Songhay Songhua Dam Song Huaguo Songhuahu National Scenic Area Song Huaigui Songhua Jiang Songhuajiang Group Songhuajiangian Stage Songhuajiang river flood in 1998 Songhua River benzene pollution incident Song Huizong’s Prohibiting Poetry song in Chu Song Ji Song Jia Songjiachang Reservoir Song Jian Song Jiang Songjiang city Songjiang Daxuecheng Songjiang Qu Songjiang Satellite City, Shanghai Songjiang school Songjiang Square Tower, Shanghai Song Jiaoren

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